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        <h2>License and Availability</h2>
        <br>
        Focus is released under the <a href="http://www.gnu.org/copyleft/gpl.html">GNU-GPL</a>, and is available on <a href="http://2dx.org/download/2dx-software">2dx.org</a>.
        It runs natively on Mac OSX and Linux/X11 (Linux, and other Unix variants).
        <br>
        <h2>Source</h2>
        <br>
        Focus is written entirely in C++ and based on Qt5
        <h2>Credits</h2>
        <br>
        <b>Written by: </b> Nikhil Biyani, Marcel Arheit, Sebastian Scherer, Bryant Gipson, Xiangyan Zeng, Zi Yan Zhang, Henning Stahlberg
        <br>
        <b>with contributions from: </b>
        <ul>
            <li>Remco Wouts</li>
            <li>Werner K&uuml;hlbrandt group, Max-Planck Institute of Biophysics; Max-von-Laue-Str. 3; D-60438 Frankfurt am Main; Germany.</li>
            <li>Vinzenz Unger, Yale University, CT, USA.</li>
        </ul>
        
        <b>Maintained by :</b> Center for Cellular Imaging and Nano Analytics (C-CINA), Biozentrum, University Basel, Switzerland
        <h2>Contact:</h2>
        Email: <a href="mailto:henning.stahlberg@unibas.ch">henning.stahlberg@unibas.ch</A>.<BR>
        Web: <A HREF="http://www.focus-em.org">www.focus-em.org</A>.
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